The answer is D. Exosphere
Exosphere is the outermost Layer of the Atmosphere that goes out about 500 - 10,000 Km in altitude.
It's the place where satellites and the space shuttle orbit the earth. Because it's difficult to define the boundary between exosphere and the outer space, exosphere may be considered as a part of outer space
Answer:
the health of our ecosystems and environment, and the impacts of climate and land-use change. Our scientists develop new methods and tools to enable timely, relevant, and useful information about the Earth and its processes."
Explanation:
The US Geological Survey, which was established as far back as 1879, is a US Government Agency whose mission is stated as: "We provide science about the natural hazards that threaten lives and livelihoods, the water, energy, minerals, and other natural resources we rely on, the health of our ecosystems and environment, and the impacts of climate and land-use change. Our scientists develop new methods and tools to enable timely, relevant, and useful information about the Earth and its processes."
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Because the US is more popular and has warmer weather
In the united states, almost two-thirds of all liquid hazardous wastes are injected into deep disposal wells.
Hazardous waste is waste that has substantial or potential threats to public health or the environment. Hazardous waste is a type of dangerous goods.
They usually have one or more of the following hazardous traits: ignitability, reactivity, corrosivity, toxicity Listed hazardous wastes are materials specifically listed by regulatory authorities as hazardous wastes which are from non-specific sources, specific sources, or discarded chemical products.
Hazardous wastes may be found in different physical states such as gaseous, liquids, or solids.
A hazardous waste is a special type of waste because it cannot be disposed of by common means like other by-products of our everyday lives.
Depending on the physical state of the waste, treatment and solidification processes might be required.
Learn more about hazardous waste here:
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